OpenTechnical

OT-2026-000100812

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000100812) never changes.

Identity and time

Publication numberOT-2026-000100812 · never reused
Internal UUID01a0aea3-66f5-7f1a-aecd-58e670d569a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100812
StatusPUBLIC

Content hashes

Canonical textd965b278ed2664df76fce065e8fef3c950a3493a4c4cb6a1236c25edc78ac669
Markdown8326fa68540efc986903662e52486cf04b268ccd986ce23b333140c5de14a7ef
PDF
Publication paged31b44c2d2f989e0a868f257900b3f9c9e1adb90829502ff8cc7dc56b3b47953
Manifest891eaee820a3c5903c0ebeb9b86b14b40d6d9a19d312fb822a909c04de99490d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureG6utZEOJTH5BqUhpWVa/Z+kEKLBEXiQ7Meocn9gbVSqV52lgTuoNR0K+/Ybu4LSE/sTZfVKwaUqNNSOkOCgjAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:43.770106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100812
observed d31b44c2d2f989e0a868f257900b3f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.751787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100812/manifest.json
observed 891eaee820a3c5903c0ebeb9b86b14b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.732203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100812/publication.md
observed 8326fa68540efc986903662e52486cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.713277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100812/publication.txt
observed d965b278ed2664df76fce065e8fef3c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.